Advanced Contact & Bolt Pretension for ANSYS 6.0 Training Manual

Inventory Number: First Edition ANSYS Release: 6.0 Published Date: October 15, 2001 Registered Trademarks: ANSYS ® is a registered trademark of SAS IP Inc. All other product names mentioned in this manual are trademarks or registered trademarks of their respective manufacturers. Disclaimer Notice: This document has been reviewed and approved in accordance with the ANSYS, Inc. Documentation Review and Approval Procedures. “This ANSYS Inc. software product (the Program) and program documentation (Documentation) are furnished by ANSYS, Inc. under an ANSYS Software License Agreement that contains provisions concerning non-disclosure, copying, length and nature of use, warranties, disclaimers and remedies, and other provisions. The Program and Documentation may be used or copied only in accordance with the terms of that License Agreement.” Copyright © 2001 SAS IP, Inc. Proprietary data. Unauthorized use, distribution, or duplication is prohibited. All Rights Reserved. Training Manual Advanced Contact & Bolt Pretension

Training Manual October 15,2001 Inventory # Advanced Contact and Bolt Pretension Table of Contents 1.Introduction1-1 2.Contact Overview 2-1 A.Typical Applications 2-2 B.Contact Classifications2-7 3.Contact Stiffness3-1 A.Basic Concepts3-2 B.Specifying a Value3-6 Workshop 1 – Planar Seal3-10 C.Appendix Friction4-1 Workshop 2 – Planar Seal (part 2)4-18 Workshop 3 – Linear Actuator Auto Timestepping5-1 Workshop 4 – Planar Seal (part 3) Surface-to-Surface Elements6-1 A.Overview6-4 B.Advanced Options for Special Problems6-6 Workshop 5 – “No Separation” Behavior6-30 Workshop 6 – Initial Interference 6-38 Workshop 7 – Initial Contact Closure6-50 Workshop 8 – Initial Penetration Range6-53 Workshop 9 – Pure thermal Contact6-72 C.Rigid Surface Considerations6-73 D.Creating without the Contact Wizard6-82 Workshop 10– Contact Pair Creation6-101 E.Troubleshooting Node-to-Node Elements 7-1 Workshop 11 – Surface-to-Surface Simulation Node-to-Surface Elements8-1 Workshop 12– Beam Tip Contact Bolt Pretension Elements 9-1 A.PRETS179 Element9-4 B.Typical Procedure9-7 Workshop 13 – Bolted Plates9-19